#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Author  : config_spider
import scrapy
import json
import math
import time
import urllib.parse

from apps.tax_policy.tax_policy.items import NetTaxPolicyItem as Item, urlencode
from apps.tax_policy.tax_policy.spiders.base_spider.base_tax_policy_spider import BaseTaxPolicySpider


class HeilongjiangHeihePolicy(BaseTaxPolicySpider):
    name = 'heilongjiang_heihe_nj_policy'
    
    province = '黑龙江省'
    city: str = "黑河市"  # 取表格
    # county: str = ""  # 取表格
    park: str = ""  # 取表格
    custom_settings = {"DOWNLOAD_TIMEOUT": 60}

    def __init__(self, get_next=False, **kwargs):
        super().__init__(**kwargs)
        print(get_next)
        self.get_next = get_next

    @classmethod
    def update_settings(cls, settings) -> None:
        new_settings = {
            **(cls.custom_settings or {}),
        }
        settings.setdict(new_settings or {}, priority="spider")

    def start_requests(self):
        for source, county, url, path in [
            ['黑河市嫩江市人民政府', "嫩江市", "https://www.nenjiang.gov.cn/njs/c100379/zcwj.shtml", "首页>政府信息公开>政策>行政规范性文件>市政府行政规范性文件"],
            ['黑河市嫩江市人民政府', "嫩江市", "https://www.nenjiang.gov.cn/njs/c100381/zcwj.shtml", "首页>政府信息公开>政策>行政规范性文件>市政府办公室行政规范性文件"],
            ['黑河市嫩江市人民政府', "嫩江市", "https://www.nenjiang.gov.cn/njs/c100378/zcwj.shtml", "首页>政府信息公开>政策>其他文件>嫩市政发"],
            ['黑河市嫩江市人民政府', "嫩江市", "https://www.nenjiang.gov.cn/njs/c100380/zcwj.shtml", "首页>政府信息公开>政策>其他文件>嫩市政办发"],
            ['黑河市嫩江市人民政府', "嫩江市", "https://www.nenjiang.gov.cn/njs/c100382/zcwj.shtml", "首页>政府信息公开>政策>其他文件>其他"],
        ]:
            item = {'source': source, 'county': county}
            meta = {'item': item, 'path': path}
            name, code = url.split(".gov.cn/")[-1].split("/")[:2]
            if 'c100' in code:
                meta['name'] = name
                meta['code'] = code
            yield scrapy.Request(url, callback=self.parse_content, meta=meta, dont_filter=True)

    def parse_content(self, response, **kwargs):
        print(response.url)
        meta = response.meta
        channelId = response.xpath(""".""").re_first(r'channelId\s*=\s*"(.*?)"')
        print(meta['code'], meta['name'], channelId)
        search_api = '/common/search/'
        params = {
            "sort": "",
            "_isAgg": "true",
            "_isJson": "true",
            "_pageSize": "20",
            "_template": "index",
            "_rangeTimeGte": "",
            "_rangeTimeLt": "",
            "_channelName": "",
            "page": "1"
        }
        url = search_api + channelId + '?'
        meta['params'] = params
        meta['url'] = url
        yield response.follow(url + urlencode(params), callback=self.parse_list, meta=meta)

    def parse_list(self, response, **kwargs):
        prev_item = response.meta.get('item')
        meta = response.meta
        datas = response.json()['data']

        for elem in datas['results']:
            item = Item()
            item['source_url'] = elem['url']
            item['source_url'] = response.urljoin(item['source_url'])
            item['publish_date'] = elem['publishedTimeStr'].split(" ")[0]
            if prev_item is not None:
                for key, value in prev_item.items():
                    item[key] = value
            if not item['source_url']:
                continue
            if '.htm' not in item['source_url'] and '.shtm' not in item['source_url']:
                continue
            # print(response.url, item['source_url'])
            yield response.follow(item['source_url'], callback=self.parse_detail, meta={'item': item})
        if response.meta.get("is_next") is not False and self.get_next == '0':
            total = datas['total']
            total_page = math.ceil(total / 20)
            print(meta['code'], meta['name'], response.url, "page:", total_page)
            for page_num in range(1, int(total_page) + 2):
                url = meta['url']
                params = meta['params']
                params['page'] = str(page_num)
                yield response.follow(url + urlencode(params), callback=self.parse_list, meta={'item': prev_item, 'is_next': False})

    def parse_detail(self, response, **kwargs):
        item = Item() if response.meta.get('item') is None else response.meta.get('item')
        item['title'] = response.xpath("""string(//meta[@name='ArticleTitle']/@content)""").get()
        # item['publish_date'] = response.xpath("""string(//meta[@name='PubDate']/@content)""").get() or response.xpath("//*[@class='fbrq']/text()").get()
        item['content'] = response.xpath(""".""").get()
        # item['source'] = self.source
        item['province'] = self.province
        item['city'] = self.city
        # item['county'] = self.county
        item['park'] = self.park
        yield item


if __name__ == "__main__":
    from scrapy import cmdline

    cmdline.execute("scrapy crawl heilongjiang_heihe_nj_policy -a get_next=0".split())
